It looks deceptively simple, but it's hard to do without a lot of keyframes. My mind jumped to SVG, and I've been wanting to give SMIL a shot. I didn't find many resources on SMIL out there, so I thought I'd share what I learned. WTF SMIL? SMIL, Synchronized Multimedia Integration Language, is a markup language you can use to animate SVGs without CSS or JS. Because SVG is vector-based, with SMIL y